... 随机介质通常是指一种折射率在光波长尺度内随机变化的介质,光波在这样的介质中表现出许多光学特性,其中随机激光(Random Lasers)是最令人感兴趣的现象。这种随机增益介质中的受激辐射现象,不需要传统的激光腔,而是形成于光子的局域化。
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随机照射激光光束系统 RSBS
The random laser represents a non-conventional laser, whose basic property is that the lasing phenomeon can appear in random systerms with gain.
随机激光器是一种非传统的激光器,其基本特点是在具有增益的无序介质中可以形成受激辐射现象。
参考来源 - 无序介质中的光波局域与随机激光辐射It’s experimentally demonstrated the random laser emission can be realized in reverse microemulsion system with ordinary xenon lump (the pump intensity is~μW/cm2) in AOT-CCl4-Water system. The pump threshold intensity is 109 magnitudes lower than that in common random laser.
从实验上证明在该反胶束体系中,采用普通的氙灯作为激发源,可以实现超低阀值(抽运功率强度为~μW/cm2)随机激光发射,该随机激光阀值比普通随机激光材料低109数量级。
参考来源 - 纳米ZnO光致发光及超低阈值随机激光材料研究·2,447,543篇论文数据,部分数据来源于NoteExpress
文章介绍了粉末随机激光的原理及其实现过程。
This paper describes the principle and realization of random laser emission.
该结果为随机激光阈值条件的优化设计提供了依据。
All these provide important evidence for optimizing the threshold condition of random laser.
接近阈值时,只有一个寿命最长的模,出现随机激光。
There are only one mode emitting random laser with the longest lifetime as near the threshold.
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